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  • juanjomartinez56

Is your Microsoft server compromised?

I am nervous as I read the note from Cybersecurity and Infrastructure Security Agency, CISA, that at least thirty thousand organizations have been hacked via Microsoft's email software vulnerabilities. I am a user of Exchange for my work, as you probably are too. 😔

The attackers are a Chinese state-sponsored group called Hafnium, which focuses on stealing emails from victims' organizations. 📭

They exploit at least four newly discovered vulnerabilities in Microsoft Exchange Servers and install a "web shell" hacking tool on the server's victims, giving them administrative access. 💣

Microsoft has identified the attack and has issued updates, including patches to address the issue. They have also released a script on Git-Hub,

Test-ProxyLogon.ps1 that you can use to check if your servers are compromised. 🔎

Find the link to Git-Hub in the comments below. ⬇️

Looking at how much focus attackers are putting on Microsoft products, are you considering additional solutions to reinforce your Microsoft assets' security? 🧯

Link to Git-Hub that you can use to check if your exchange servers are compromised:

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